The 40002 is a 12v replacement part, a new aftermarket direct replacement engineered to match the fit, form, and function of the original replacement part. Specifications: - Voltage: 12V Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 40002, 5262499, 5266781, 5318120, 7631227, C5262499, C5266781, C5318120, P5318120. Why ePartsGlobal: specialist in heavy-duty starters, alternators, and charging-system electrical parts. Backed by a 1-year warranty, free shipping on orders over $19.95, and fast fulfillment. Ships from USA.